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wpa_supplicant: Add WPS ssid length validation

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This commit is contained in:
Kapil Gupta 2022-08-10 12:08:40 +05:30
parent 87fbc2f487
commit 51f785fabe
1 changed files with 4 additions and 0 deletions
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4
components/wpa_supplicant/esp_supplicant/src/esp_wps.c
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@ -397,6 +397,7 @@ wps_parse_scan_result(struct wps_scan_ie *scan)
for (count = 0; count < WPS_MAX_DIS_AP_NUM; count++) {
if (os_memcmp(sm->dis_ap_list[count].bssid, scan->bssid, ETH_ALEN) == 0) {
wpa_printf(MSG_INFO, "discard ap bssid "MACSTR, MAC2STR(scan->bssid));
wpabuf_free(buf);
return false;
}
}
@ -404,6 +405,9 @@ wps_parse_scan_result(struct wps_scan_ie *scan)
if (ap_found || sm->ignore_sel_reg) {
wpabuf_free(buf);
if (scan->ssid[1] > SSID_MAX_LEN) {
return false;
}
esp_wifi_enable_sta_privacy_internal();
os_memset(sm->ssid[0], 0, SSID_MAX_LEN);
os_memcpy(sm->ssid[0], (char *)&scan->ssid[2], (int)scan->ssid[1]);